Picking "nits" and counting "rivets" it's all good.
A Camaro in 2016 ? Probably not as it seems the kit manufactures are only using what they already have in their vast warehouse.
As to the Fastback (that's what we called em'. Back in the day) and the coupe? (again a term from days of yor ) We got plenty of fastbacks.
Let's see Monogram/Revell finish their already great Mustang series ( Fastback, GT350, GT350H, Convertable ) with the missing (and ubiquitous ) coupe, notchback , hardtop or what ever you wanna call it. As Lee pointed out, "most common"